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# Copyright (C) 2011 Garth N. Wells
#
# This file is part of FFC.
#
# FFC is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# FFC is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with FFC. If not, see <http://www.gnu.org/licenses/>.
#
# This example demonstrates how to create vectors component-wise
#
# Compile this form with FFC: ffc Component.ufl
element = VectorElement("Lagrange", tetrahedron, 1)
v = TestFunction(element)
f = Coefficient(element)
# Create vector
v0 = as_vector([v[0], v[1], 0.0])
# Use created vector in linear form
L = dot(f, v0)*dx
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